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| author | eldritch horrors <pennae@lix.systems> | 2024-03-04 08:06:36 +0100 |
|---|---|---|
| committer | eldritch horrors <pennae@lix.systems> | 2024-03-04 08:06:36 +0100 |
| commit | 2c85fcce875404f07ce29f7a2bb2ed970d2d5840 (patch) | |
| tree | 9acac9daa113e8c98720bb10e59a6eacec2b25da /tests/functional/lang/eval-okay-substring-context.nix | |
| parent | 64b077cdaa325d7ae3bd7fe5f84e1247f1298a4d (diff) | |
Merge pull request #9747 from awakesecurity/mz/fix-quadratic-splitString
Fix performance of builtins.substring for empty substrings
(cherry picked from commit b2deff1947c2fe57fdbf1a472eb9003eb407f8d3)
Change-Id: I4ddfc8d26a4781c9520fff9807849a073ee7bed8
Diffstat (limited to 'tests/functional/lang/eval-okay-substring-context.nix')
| -rw-r--r-- | tests/functional/lang/eval-okay-substring-context.nix | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/functional/lang/eval-okay-substring-context.nix b/tests/functional/lang/eval-okay-substring-context.nix new file mode 100644 index 000000000..d0ef70d4e --- /dev/null +++ b/tests/functional/lang/eval-okay-substring-context.nix @@ -0,0 +1,11 @@ +with builtins; + +let + + s = "${builtins.derivation { name = "test"; builder = "/bin/sh"; system = "x86_64-linux"; }}"; + +in + +if getContext s == getContext "${substring 0 0 s + unsafeDiscardStringContext s}" +then "okay" +else throw "empty substring should preserve context" |